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Question
Why solids are hard? Why volume of solid is definite?
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Solution
1.Any matter that is a solid has a definite shape and a definite
volume.
3.The molecules in a solid are in fixed positions and are close
together.
3.Although the molecules can still vibrate, they cannot move
from one part of the solid to another part. As a result, a solid does not easily
change its shape or its volume.
Isolated hydrogen atom can absorb any of the following quanta
of energy, given by the equation
Energy absorbed =13.6×(1−1n2) e.v. ; where n can take
whole number values from 1 to infinity.
1.Any matter that is a solid has a definite shape and a definite volume.
3.The molecules in a solid are in fixed positions and are close together.
3.Although the molecules can still vibrate, they cannot move from one part of the solid to another part. As a result, a solid does not easily change its shape or its volume.
Isolated hydrogen atom can absorb any of the following quanta of energy, given by the equation
Energy absorbed =13.6×(1−1n2) e.v. ; where n can take whole number values from 1 to infinity.
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